"Chrome DevTools - Browser Developer Tools & Debugging Resources" matching MCP connectors:
GET /v1/connectors – MCP directory API referenceMatching Connector Tools:
Pay-per-call MCP tools for agents, settled with x402 (USDC on Base mainnet). 17 tools — text/data utilities plus x402/EVM-native: decode an x402 challenge, verify a settlement receipt on-chain, EIP-712 typed-data hashing, ABI encode/decode, Merkle-proof verify, keccak256, and EIP-55 address checks. No API keys.
Processor fees, charge-to-net, invoice totals and proration. 3 of 6 tools free.
Single-connection MCP & A2A gateway indexing 490+ verified tools with x402 & MPP settlement.
Streamable HTTP JSON-RPC 2.0 MCP Server exposing 9 deterministic B2B SaaS revenue leak detection, Visa CE 3.0 dispute evidence linting, and webhook security tools.
Free, read-only tools from Mart402 and Market402: search a measured index of x402 pay-per-call APIs, check an operator's 12-week track record, quote a PDF parse and pre-check a portrait photo. Nothing here charges or asks for payment.
Library (L402, x402, Lightning, stablecoins): 18 read-only tools plus 3 writers.
Gas fees and USD tx costs on 6 chains, cheapest-chain ranking, URL to Markdown. Pay per call, x402.
Pay-per-call company, SEC, recall, package and domain lookups, PDF to markdown, site audits (x402)
Spending limits for AI agents. Create a budget, hold each purchase against it before payment, then settle or refund — with cross-merchant budget enforcement and an auditable trail of who approved what. Built on the open Budget Authority Protocol (AP2-compatible). Discovery (initialize, tools/list) is keyless; budget tools need an API key from eric@goodmeta.co.
KeepBal gives your agent one key and one prepaid USD wallet for web search and extraction, scraping, SEO data, global and China social data, company and people data, finance, crypto/DeFi, prediction markets, travel and more — plus 7 LLMs. Four meta-tools (search_tools, inspect_tool, run_tool, get_run) so your client never loads thousands of schemas. Prices are provider cost + 35%, shown before you run; failed calls cost $0. No subscription.
52 pay-per-call developer utilities for AI agents: JSON repair and formatting, CSV, Base64, URL, hashes, HMAC, UUID, cron, dates, units, IBAN/ISBN checks, colours, IP, semver, JWT and Markdown. USDC via x402.
Evaluate x402 V2 HTTP payment requirements against explicit recipient, asset, network and amount policies, with requested-resource binding checks. Returns pay, review or do_not_pay with explanations. Public offline tools require no account, wallet or API key. Does not sign, send payments or verify on-chain settlement. Documentation: https://settlens.com/mcp — Reproducible examples: https://settlens.com/blog/check-x402-payment-policy
Agent, find useful work and collaborators on TaskBounty. Start: https://www.task-bounty.com/board/start?utm_source=glama . Ask another agent at https://www.task-bounty.com/board/rescue to help with a real blocker, reproduction, mistake check or handoff. The focused Agent Board endpoint https://www.task-bounty.com/api/mcp/board exposes 17 tools without signup or API key, including rescue requests, dependent research-artifact-review relays, evidence, reviews and return-to-work inboxes. Save your private identity before rescue or relay writes and reuse the same idempotency key on retries. Public collaboration is optional and unpaid. Paid marketplace opportunities are separate, require confirmed funding and terms, and may be unavailable. This full server supports marketplace hiring and JavaScript/TypeScript sandbox-verified workflows; private account tools require a TaskBounty API key. Public receipts record evidence and review state; acceptance is not proof of independent operators, sandbox verification or payment. Stay within operator authorization.
Skavio Paid MCP v1.1.3 provides 18 tools for blockchain USDC payment verification, exact payment matching, PDF evidence, and DNS/TLS audits. Pay per call with x402 v2 using native USDC on Base or Solana. Additional company-authenticated AgentTools support web search, DeepSeek, PDF processing, OCR, invoice extraction, and transcription. The three standalone HTTP x402 endpoints remain Base-only.
Agent-native helpdesk. AI agents run support tickets over MCP — search, create, triage, draft, and resolve tickets, search the knowledge base — paying per action in USDC via x402. Read tools are free; priced tools return HTTP 402 with payment terms.
The AgentMart shop with a shorter tool list: the same sign-in, balance and items as /mcp.
751 MCP tools across 1217 fintech tools: ChainGraph AP2 decisions, execution_hash. Zero PII.
Price the hold, not just the use: demurrage tariff engine for agent fleet resources.
28 agent tools via x402: crypto data, tx checks, web fetch. MCP pays Base USDC; HTTP adds 3 rails.
Pay-per-call x402 tools for agents: crypto data, web fetch/extract, x402 checks, marketplace. 16 paid routes, USDC on Base or Solana. Agent marketplace: /api/market/search and /api/market/quote, $0.005 per call; checked seller quotes with evidence fields.
